Computer software consultation; Computer software design for others; Computer software design, computer programming, or maintenance of computer software; Computer software development; Consultancy in the field of software design; Consulting services in the field of design, selection, implementation and use of computer hardware and software systems for others; Customization of computer hardware and software; Design and development of online computer software systems; Design of home pages, computer software and web sites; Design, development and implementation of software; Development of software for secure network operations; Development, updating and maintenance of software and data bases; Installation of computer software; Maintenance of computer software; Providing online non-downloadable software for preventing business information from leakage to unauthorized personnel or entity, controlling software and hardware assets of the enterprise, and protecting enterprise information by encrypting digital data use in the field of information technology security system; Technical support services, namely, troubleshooting of computer hardware and software problems; Up-dating of computer software